Version:  2.0.40 2.2.26 2.4.37 2.6.39 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15

Linux/sound/pci/riptide/riptide.c

  1 /*
  2  *   Driver for the Conexant Riptide Soundchip
  3  *
  4  *      Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
  5  *
  6  *   This program is free software; you can redistribute it and/or modify
  7  *   it under the terms of the GNU General Public License as published by
  8  *   the Free Software Foundation; either version 2 of the License, or
  9  *   (at your option) any later version.
 10  *
 11  *   This program is distributed in the hope that it will be useful,
 12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 14  *   GNU General Public License for more details.
 15  *
 16  *   You should have received a copy of the GNU General Public License
 17  *   along with this program; if not, write to the Free Software
 18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 19  *
 20  */
 21 /*
 22   History:
 23    - 02/15/2004 first release
 24    
 25   This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
 26   credits from the original files:
 27   
 28   MODULE NAME:        cnxt_rt.h                       
 29   AUTHOR:             K. Lazarev  (Transcribed by KNL)
 30   HISTORY:         Major Revision               Date        By
 31             -----------------------------     --------     -----
 32             Created                           02/1/2000     KNL
 33 
 34   MODULE NAME:     int_mdl.c                       
 35   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
 36   HISTORY:         Major Revision               Date        By
 37             -----------------------------     --------     -----
 38             Created                           10/01/99      KNL
 39             
 40   MODULE NAME:        riptide.h                       
 41   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
 42   HISTORY:         Major Revision               Date        By
 43             -----------------------------     --------     -----
 44             Created                           10/16/97      OLD
 45 
 46   MODULE NAME:        Rp_Cmdif.cpp                       
 47   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
 48                       K. Lazarev    (Transcribed by KNL)
 49   HISTORY:         Major Revision               Date        By
 50             -----------------------------     --------     -----
 51             Adopted from NT4 driver            6/22/99      OLD
 52             Ported to Linux                    9/01/99      KNL
 53 
 54   MODULE NAME:        rt_hw.c                       
 55   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
 56                       C. Lazarev    (Transcribed by CNL)
 57   HISTORY:         Major Revision               Date        By
 58             -----------------------------     --------     -----
 59             Created                           11/18/97      OLD
 60             Hardware functions for RipTide    11/24/97      CNL
 61             (ES1) are coded
 62             Hardware functions for RipTide    12/24/97      CNL
 63             (A0) are coded
 64             Hardware functions for RipTide    03/20/98      CNL
 65             (A1) are coded
 66             Boot loader is included           05/07/98      CNL
 67             Redesigned for WDM                07/27/98      CNL
 68             Redesigned for Linux              09/01/99      CNL
 69 
 70   MODULE NAME:        rt_hw.h
 71   AUTHOR:             C. Lazarev    (Transcribed by CNL)
 72   HISTORY:         Major Revision               Date        By
 73             -----------------------------     --------     -----
 74             Created                           11/18/97      CNL
 75 
 76   MODULE NAME:     rt_mdl.c                       
 77   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
 78   HISTORY:         Major Revision               Date        By
 79             -----------------------------     --------     -----
 80             Created                           10/01/99      KNL
 81 
 82   MODULE NAME:        mixer.h                        
 83   AUTHOR:             K. Kenney
 84   HISTORY:         Major Revision                   Date          By
 85             -----------------------------          --------     -----
 86             Created from MS W95 Sample             11/28/95      KRS
 87             RipTide                                10/15/97      KRS
 88             Adopted for Windows NT driver          01/20/98      CNL
 89 */
 90 
 91 #include <linux/delay.h>
 92 #include <linux/init.h>
 93 #include <linux/interrupt.h>
 94 #include <linux/pci.h>
 95 #include <linux/slab.h>
 96 #include <linux/wait.h>
 97 #include <linux/gameport.h>
 98 #include <linux/device.h>
 99 #include <linux/firmware.h>
100 #include <linux/kernel.h>
101 #include <linux/module.h>
102 #include <asm/io.h>
103 #include <sound/core.h>
104 #include <sound/info.h>
105 #include <sound/control.h>
106 #include <sound/pcm.h>
107 #include <sound/pcm_params.h>
108 #include <sound/ac97_codec.h>
109 #include <sound/mpu401.h>
110 #include <sound/opl3.h>
111 #include <sound/initval.h>
112 
113 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
114 #define SUPPORT_JOYSTICK 1
115 #endif
116 
117 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
118 MODULE_DESCRIPTION("riptide");
119 MODULE_LICENSE("GPL");
120 MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
121 MODULE_FIRMWARE("riptide.hex");
122 
123 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
124 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
125 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
126 
127 #ifdef SUPPORT_JOYSTICK
128 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
129 #endif
130 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
131 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
132 
133 module_param_array(index, int, NULL, 0444);
134 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
135 module_param_array(id, charp, NULL, 0444);
136 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
137 module_param_array(enable, bool, NULL, 0444);
138 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
139 #ifdef SUPPORT_JOYSTICK
140 module_param_array(joystick_port, int, NULL, 0444);
141 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
142 #endif
143 module_param_array(mpu_port, int, NULL, 0444);
144 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
145 module_param_array(opl3_port, int, NULL, 0444);
146 MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
147 
148 /*
149  */
150 
151 #define MPU401_HW_RIPTIDE MPU401_HW_MPU401
152 #define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
153 
154 #define PCI_EXT_CapId       0x40
155 #define PCI_EXT_NextCapPrt  0x41
156 #define PCI_EXT_PWMC        0x42
157 #define PCI_EXT_PWSCR       0x44
158 #define PCI_EXT_Data00      0x46
159 #define PCI_EXT_PMSCR_BSE   0x47
160 #define PCI_EXT_SB_Base     0x48
161 #define PCI_EXT_FM_Base     0x4a
162 #define PCI_EXT_MPU_Base    0x4C
163 #define PCI_EXT_Game_Base   0x4E
164 #define PCI_EXT_Legacy_Mask 0x50
165 #define PCI_EXT_AsicRev     0x52
166 #define PCI_EXT_Reserved3   0x53
167 
168 #define LEGACY_ENABLE_ALL      0x8000   /* legacy device options */
169 #define LEGACY_ENABLE_SB       0x4000
170 #define LEGACY_ENABLE_FM       0x2000
171 #define LEGACY_ENABLE_MPU_INT  0x1000
172 #define LEGACY_ENABLE_MPU      0x0800
173 #define LEGACY_ENABLE_GAMEPORT 0x0400
174 
175 #define MAX_WRITE_RETRY  10     /* cmd interface limits */
176 #define MAX_ERROR_COUNT  10
177 #define CMDIF_TIMEOUT    50000
178 #define RESET_TRIES      5
179 
180 #define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
181 #define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
182 
183 #define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
184 #define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
185 #define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
186 #define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
187 #define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
188 
189 #define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
190 #define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
191 #define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
192 #define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
193 #define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
194 #define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
195 #define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
196 #define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
197 #define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
198 #define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
199 #define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
200 #define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
201 #define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
202 #define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
203 #define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
204 #define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
205 #define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
206 #define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
207 #define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)        /* cmd empty */
208 #define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)        /* data filled */
209 #define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
210 #define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
211 #define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
212 #define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
213 #define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
214 #define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
215 #define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
216 #define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
217 #define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
218 #define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
219 #define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
220 #define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
221 #define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
222 #define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
223 
224 #define RESP 0x00000001         /* command flags */
225 #define PARM 0x00000002
226 #define CMDA 0x00000004
227 #define CMDB 0x00000008
228 #define NILL 0x00000000
229 
230 #define LONG0(a)   ((u32)a)     /* shifts and masks */
231 #define BYTE0(a)   (LONG0(a)&0xff)
232 #define BYTE1(a)   (BYTE0(a)<<8)
233 #define BYTE2(a)   (BYTE0(a)<<16)
234 #define BYTE3(a)   (BYTE0(a)<<24)
235 #define WORD0(a)   (LONG0(a)&0xffff)
236 #define WORD1(a)   (WORD0(a)<<8)
237 #define WORD2(a)   (WORD0(a)<<16)
238 #define TRINIB0(a) (LONG0(a)&0xffffff)
239 #define TRINIB1(a) (TRINIB0(a)<<8)
240 
241 #define RET(a)     ((union cmdret *)(a))
242 
243 #define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))        /* get version */
244 #define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
245 #define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
246 #define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
247 #define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))   /* memory access for firmware write */
248 #define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
249 #define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
250 #define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))        /* memory access for firmware write */
251 #define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
252 #define SEND_SETDPLL(p)            sendcmd(p,0,ARM_SETDPLL,0,RET(0))
253 #define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))        /* start stream */
254 #define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
255 #define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
256 #define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))   /* stop all dma */
257 #define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))   /* get position in dma */
258 #define SEND_SETF(p,b,c,d,e,f,g)   sendcmd(p,PARM,SETF|WORD1(b)|BYTE3(c),d|BYTE1(e)|BYTE2(f)|BYTE3(g),RET(0))   /* set sample format at mixer */
259 #define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
260 #define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
261 #define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))        /* activate lbus path */
262 #define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))        /* deactivate lbus path */
263 #define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
264 #define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
265 #define SEND_LSEL(p,b,c,d,e,f,g,h) sendcmd(p,PARM,LSEL|BYTE1(b)|BYTE2(c)|BYTE3(d),BYTE0(e)|BYTE1(f)|BYTE2(g)|BYTE3(h),RET(0))   /* select paths for internal connections */
266 #define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))      /* configure source */
267 #define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
268 #define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))       /* read source config */
269 #define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
270 #define SEND_SDGV(p,b,c,d,e)       sendcmd(p,PARM,SDGV|BYTE2(b)|BYTE3(c),WORD0(d)|WORD2(e),RET(0))      /* set digital mixer */
271 #define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
272 #define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
273 #define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))        /* set AC97 register */
274 #define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))    /* get AC97 register */
275 #define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
276 #define SEND_TXAC(p,b,c,d,e,f)     sendcmd(p,PARM,TXAC|BYTE1(b)|WORD2(c),WORD0(d)|BYTE2(e)|BYTE3(f),RET(0))
277 #define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
278 #define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
279 
280 #define EOB_STATUS         0x80000000   /* status flags : block boundary */
281 #define EOS_STATUS         0x40000000   /*              : stoppped */
282 #define EOC_STATUS         0x20000000   /*              : stream end */
283 #define ERR_STATUS         0x10000000
284 #define EMPTY_STATUS       0x08000000
285 
286 #define IEOB_ENABLE        0x1  /* enable interrupts for status notification above */
287 #define IEOS_ENABLE        0x2
288 #define IEOC_ENABLE        0x4
289 #define RDONCE             0x8
290 #define DESC_MAX_MASK      0xff
291 
292 #define ST_PLAY  0x1            /* stream states */
293 #define ST_STOP  0x2
294 #define ST_PAUSE 0x4
295 
296 #define I2S_INTDEC     3        /* config for I2S link */
297 #define I2S_MERGER     0
298 #define I2S_SPLITTER   0
299 #define I2S_MIXER      7
300 #define I2S_RATE       44100
301 
302 #define MODEM_INTDEC   4        /* config for modem link */
303 #define MODEM_MERGER   3
304 #define MODEM_SPLITTER 0
305 #define MODEM_MIXER    11
306 
307 #define FM_INTDEC      3        /* config for FM/OPL3 link */
308 #define FM_MERGER      0
309 #define FM_SPLITTER    0
310 #define FM_MIXER       9
311 
312 #define SPLIT_PATH  0x80        /* path splitting flag */
313 
314 enum FIRMWARE {
315         DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
316         EXT_LIN_ADDR_REC,
317 };
318 
319 enum CMDS {
320         GETV = 0x00, GETC, GUNS, SCID, RMEM =
321             0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
322             0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
323             0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
324             0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
325             0x70, ARM_SETDPLL = 0x72,
326 };
327 
328 enum E1SOURCE {
329         ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
330         ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
331         ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
332         ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
333         INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
334         INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
335         INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
336         DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
337         ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
338         DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
339         GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
340         SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
341         SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
342         MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
343 };
344 
345 enum E2SINK {
346         LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
347         LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
348         INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
349         INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
350         DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
351         PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
352         DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
353         DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
354         DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
355         DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
356         GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
357         SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
358         MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
359         MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
360 };
361 
362 enum LBUS_SINK {
363         LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
364         LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
365         LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
366 };
367 
368 enum RT_CHANNEL_IDS {
369         M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
370         DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
371         M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
372         CHANNEL_ID_COUNTER
373 };
374 
375 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
376 
377 struct lbuspath {
378         unsigned char *noconv;
379         unsigned char *stereo;
380         unsigned char *mono;
381 };
382 
383 struct cmdport {
384         u32 data1;              /* cmd,param */
385         u32 data2;              /* param */
386         u32 stat;               /* status */
387         u32 pad[5];
388 };
389 
390 struct riptideport {
391         u32 audio_control;      /* status registers */
392         u32 audio_status;
393         u32 pad[2];
394         struct cmdport port[2]; /* command ports */
395 };
396 
397 struct cmdif {
398         struct riptideport *hwport;
399         spinlock_t lock;
400         unsigned int cmdcnt;    /* cmd statistics */
401         unsigned int cmdtime;
402         unsigned int cmdtimemax;
403         unsigned int cmdtimemin;
404         unsigned int errcnt;
405         int is_reset;
406 };
407 
408 struct riptide_firmware {
409         u16 ASIC;
410         u16 CODEC;
411         u16 AUXDSP;
412         u16 PROG;
413 };
414 
415 union cmdret {
416         u8 retbytes[8];
417         u16 retwords[4];
418         u32 retlongs[2];
419 };
420 
421 union firmware_version {
422         union cmdret ret;
423         struct riptide_firmware firmware;
424 };
425 
426 #define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
427 
428 #define PLAYBACK_SUBSTREAMS 3
429 struct snd_riptide {
430         struct snd_card *card;
431         struct pci_dev *pci;
432         const struct firmware *fw_entry;
433 
434         struct cmdif *cif;
435 
436         struct snd_pcm *pcm;
437         struct snd_pcm *pcm_i2s;
438         struct snd_rawmidi *rmidi;
439         struct snd_opl3 *opl3;
440         struct snd_ac97 *ac97;
441         struct snd_ac97_bus *ac97_bus;
442 
443         struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
444         struct snd_pcm_substream *capture_substream;
445 
446         int openstreams;
447 
448         int irq;
449         unsigned long port;
450         unsigned short mpuaddr;
451         unsigned short opladdr;
452 #ifdef SUPPORT_JOYSTICK
453         unsigned short gameaddr;
454 #endif
455         struct resource *res_port;
456 
457         unsigned short device_id;
458 
459         union firmware_version firmware;
460 
461         spinlock_t lock;
462         struct tasklet_struct riptide_tq;
463         struct snd_info_entry *proc_entry;
464 
465         unsigned long received_irqs;
466         unsigned long handled_irqs;
467 #ifdef CONFIG_PM_SLEEP
468         int in_suspend;
469 #endif
470 };
471 
472 struct sgd {                    /* scatter gather desriptor */
473         u32 dwNextLink;
474         u32 dwSegPtrPhys;
475         u32 dwSegLen;
476         u32 dwStat_Ctl;
477 };
478 
479 struct pcmhw {                  /* pcm descriptor */
480         struct lbuspath paths;
481         unsigned char *lbuspath;
482         unsigned char source;
483         unsigned char intdec[2];
484         unsigned char mixer;
485         unsigned char id;
486         unsigned char state;
487         unsigned int rate;
488         unsigned int channels;
489         snd_pcm_format_t format;
490         struct snd_dma_buffer sgdlist;
491         struct sgd *sgdbuf;
492         unsigned int size;
493         unsigned int pages;
494         unsigned int oldpos;
495         unsigned int pointer;
496 };
497 
498 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
499 
500 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
501                    union cmdret *ret);
502 static int getsourcesink(struct cmdif *cif, unsigned char source,
503                          unsigned char sink, unsigned char *a,
504                          unsigned char *b);
505 static int snd_riptide_initialize(struct snd_riptide *chip);
506 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
507 
508 /*
509  */
510 
511 static DEFINE_PCI_DEVICE_TABLE(snd_riptide_ids) = {
512         { PCI_DEVICE(0x127a, 0x4310) },
513         { PCI_DEVICE(0x127a, 0x4320) },
514         { PCI_DEVICE(0x127a, 0x4330) },
515         { PCI_DEVICE(0x127a, 0x4340) },
516         {0,},
517 };
518 
519 #ifdef SUPPORT_JOYSTICK
520 static DEFINE_PCI_DEVICE_TABLE(snd_riptide_joystick_ids) = {
521         { PCI_DEVICE(0x127a, 0x4312) },
522         { PCI_DEVICE(0x127a, 0x4322) },
523         { PCI_DEVICE(0x127a, 0x4332) },
524         { PCI_DEVICE(0x127a, 0x4342) },
525         {0,},
526 };
527 #endif
528 
529 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
530 
531 /*
532  */
533 
534 static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
535         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
536                                                                      LS_NONE2},
537         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
538                                                                      LS_NONE2},
539         {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
540         {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
541         {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
542         {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
543                                               LS_SRC_INTERPOLATORM},
544         {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
545                                               LS_SRC_INTERPOLATORM},
546         {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
547                                               LS_SRC_INTERPOLATORM},
548         {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
549         {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
550         {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
551                                                                 LS_NONE2},
552         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
553         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
554         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
555         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
556         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
557         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
558         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
559         {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
560                                                   LS_MIXER_GAIN_FUNCTION},
561         {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
562                                                   LS_MIXER_GAIN_FUNCTION},
563         {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
564         {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
565         {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
566         {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
567         {MERGER1_OUT, LS_SRC_MERGER},
568         {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
569         {MERGER2_OUT, LS_SRC_MERGER},
570         {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
571                                                                      LS_NONE2},
572 };
573 
574 static unsigned char lbus_play_opl3[] = {
575         DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
576 };
577 static unsigned char lbus_play_modem[] = {
578         DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
579 };
580 static unsigned char lbus_play_i2s[] = {
581         INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
582 };
583 static unsigned char lbus_play_out[] = {
584         PDAC2ACLNK, 0xff
585 };
586 static unsigned char lbus_play_outhp[] = {
587         HNDSPK2ACLNK, 0xff
588 };
589 static unsigned char lbus_play_noconv1[] = {
590         DIGITAL_MIXER_IN0, 0xff
591 };
592 static unsigned char lbus_play_stereo1[] = {
593         INTER0_IN, DIGITAL_MIXER_IN0, 0xff
594 };
595 static unsigned char lbus_play_mono1[] = {
596         INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
597 };
598 static unsigned char lbus_play_noconv2[] = {
599         DIGITAL_MIXER_IN1, 0xff
600 };
601 static unsigned char lbus_play_stereo2[] = {
602         INTER1_IN, DIGITAL_MIXER_IN1, 0xff
603 };
604 static unsigned char lbus_play_mono2[] = {
605         INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
606 };
607 static unsigned char lbus_play_noconv3[] = {
608         DIGITAL_MIXER_IN2, 0xff
609 };
610 static unsigned char lbus_play_stereo3[] = {
611         INTER2_IN, DIGITAL_MIXER_IN2, 0xff
612 };
613 static unsigned char lbus_play_mono3[] = {
614         INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
615 };
616 static unsigned char lbus_rec_noconv1[] = {
617         LBUS2ARM_FIFO5, 0xff
618 };
619 static unsigned char lbus_rec_stereo1[] = {
620         DECIM0_IN, LBUS2ARM_FIFO5, 0xff
621 };
622 static unsigned char lbus_rec_mono1[] = {
623         DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
624 };
625 
626 static unsigned char play_ids[] = { 4, 1, 2, };
627 static unsigned char play_sources[] = {
628         ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
629 };
630 static struct lbuspath lbus_play_paths[] = {
631         {
632          .noconv = lbus_play_noconv1,
633          .stereo = lbus_play_stereo1,
634          .mono = lbus_play_mono1,
635          },
636         {
637          .noconv = lbus_play_noconv2,
638          .stereo = lbus_play_stereo2,
639          .mono = lbus_play_mono2,
640          },
641         {
642          .noconv = lbus_play_noconv3,
643          .stereo = lbus_play_stereo3,
644          .mono = lbus_play_mono3,
645          },
646 };
647 static struct lbuspath lbus_rec_path = {
648         .noconv = lbus_rec_noconv1,
649         .stereo = lbus_rec_stereo1,
650         .mono = lbus_rec_mono1,
651 };
652 
653 #define FIRMWARE_VERSIONS 1
654 static union firmware_version firmware_versions[] = {
655         {
656                 .firmware = {
657                         .ASIC = 3,
658                         .CODEC = 2,
659                         .AUXDSP = 3,
660                         .PROG = 773,
661                 },
662         },
663 };
664 
665 static u32 atoh(const unsigned char *in, unsigned int len)
666 {
667         u32 sum = 0;
668         unsigned int mult = 1;
669         unsigned char c;
670 
671         while (len) {
672                 int value;
673 
674                 c = in[len - 1];
675                 value = hex_to_bin(c);
676                 if (value >= 0)
677                         sum += mult * value;
678                 mult *= 16;
679                 --len;
680         }
681         return sum;
682 }
683 
684 static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
685 {
686         u32 addr;
687         u32 data;
688         u32 i;
689         const unsigned char *p;
690 
691         i = atoh(&in[1], 2);
692         addr = offset + atoh(&in[3], 4);
693         if (SEND_SMEM(cif, 0, addr) != 0)
694                 return -EACCES;
695         p = in + 9;
696         while (i) {
697                 data = atoh(p, 8);
698                 if (SEND_WMEM(cif, 2,
699                               ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
700                                                             >> 4)))
701                         return -EACCES;
702                 i -= 4;
703                 p += 8;
704         }
705         return 0;
706 }
707 
708 static int loadfirmware(struct cmdif *cif, const unsigned char *img,
709                         unsigned int size)
710 {
711         const unsigned char *in;
712         u32 laddr, saddr, t, val;
713         int err = 0;
714 
715         laddr = saddr = 0;
716         while (size > 0 && err == 0) {
717                 in = img;
718                 if (in[0] == ':') {
719                         t = atoh(&in[7], 2);
720                         switch (t) {
721                         case DATA_REC:
722                                 err = senddata(cif, in, laddr + saddr);
723                                 break;
724                         case EXT_SEG_ADDR_REC:
725                                 saddr = atoh(&in[9], 4) << 4;
726                                 break;
727                         case EXT_LIN_ADDR_REC:
728                                 laddr = atoh(&in[9], 4) << 16;
729                                 break;
730                         case EXT_GOTO_CMD_REC:
731                                 val = atoh(&in[9], 8);
732                                 if (SEND_GOTO(cif, val) != 0)
733                                         err = -EACCES;
734                                 break;
735                         case EXT_END_OF_FILE:
736                                 size = 0;
737                                 break;
738                         default:
739                                 break;
740                         }
741                         while (size > 0) {
742                                 size--;
743                                 if (*img++ == '\n')
744                                         break;
745                         }
746                 }
747         }
748         snd_printdd("load firmware return %d\n", err);
749         return err;
750 }
751 
752 static void
753 alloclbuspath(struct cmdif *cif, unsigned char source,
754               unsigned char *path, unsigned char *mixer, unsigned char *s)
755 {
756         while (*path != 0xff) {
757                 unsigned char sink, type;
758 
759                 sink = *path & (~SPLIT_PATH);
760                 if (sink != E2SINK_MAX) {
761                         snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
762                         SEND_PSEL(cif, source, sink);
763                         source = lbusin2out[sink][0];
764                         type = lbusin2out[sink][1];
765                         if (type == LS_MIXER_IN) {
766                                 if (mixer)
767                                         *mixer = sink - DIGITAL_MIXER_IN0;
768                         }
769                         if (type == LS_SRC_DECIMATORM ||
770                             type == LS_SRC_DECIMATOR ||
771                             type == LS_SRC_INTERPOLATORM ||
772                             type == LS_SRC_INTERPOLATOR) {
773                                 if (s) {
774                                         if (s[0] != 0xff)
775                                                 s[1] = sink;
776                                         else
777                                                 s[0] = sink;
778                                 }
779                         }
780                 }
781                 if (*path++ & SPLIT_PATH) {
782                         unsigned char *npath = path;
783 
784                         while (*npath != 0xff)
785                                 npath++;
786                         alloclbuspath(cif, source + 1, ++npath, mixer, s);
787                 }
788         }
789 }
790 
791 static void
792 freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
793 {
794         while (*path != 0xff) {
795                 unsigned char sink;
796 
797                 sink = *path & (~SPLIT_PATH);
798                 if (sink != E2SINK_MAX) {
799                         snd_printdd("free path 0x%x->0x%x\n", source, sink);
800                         SEND_PCLR(cif, source, sink);
801                         source = lbusin2out[sink][0];
802                 }
803                 if (*path++ & SPLIT_PATH) {
804                         unsigned char *npath = path;
805 
806                         while (*npath != 0xff)
807                                 npath++;
808                         freelbuspath(cif, source + 1, ++npath);
809                 }
810         }
811 }
812 
813 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
814 {
815         union cmdret rptr = CMDRET_ZERO;
816         unsigned int i = MAX_WRITE_RETRY;
817         int flag = 1;
818 
819         SEND_RMEM(cif, 0x02, addr, &rptr);
820         rptr.retlongs[0] &= (~mask);
821 
822         while (--i) {
823                 SEND_SMEM(cif, 0x01, addr);
824                 SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
825                 SEND_RMEM(cif, 0x02, addr, &rptr);
826                 if ((rptr.retlongs[0] & data) == data) {
827                         flag = 0;
828                         break;
829                 } else
830                         rptr.retlongs[0] &= ~mask;
831         }
832         snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
833                     flag);
834         return flag;
835 }
836 
837 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
838                    union cmdret *ret)
839 {
840         int i, j;
841         int err;
842         unsigned int time = 0;
843         unsigned long irqflags;
844         struct riptideport *hwport;
845         struct cmdport *cmdport = NULL;
846 
847         if (snd_BUG_ON(!cif))
848                 return -EINVAL;
849 
850         hwport = cif->hwport;
851         if (cif->errcnt > MAX_ERROR_COUNT) {
852                 if (cif->is_reset) {
853                         snd_printk(KERN_ERR
854                                    "Riptide: Too many failed cmds, reinitializing\n");
855                         if (riptide_reset(cif, NULL) == 0) {
856                                 cif->errcnt = 0;
857                                 return -EIO;
858                         }
859                 }
860                 snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
861                 return -EINVAL;
862         }
863         if (ret) {
864                 ret->retlongs[0] = 0;
865                 ret->retlongs[1] = 0;
866         }
867         i = 0;
868         spin_lock_irqsave(&cif->lock, irqflags);
869         while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
870                 udelay(10);
871         if (i > CMDIF_TIMEOUT) {
872                 err = -EBUSY;
873                 goto errout;
874         }
875 
876         err = 0;
877         for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
878                 cmdport = &(hwport->port[j % 2]);
879                 if (IS_DATF(cmdport)) { /* free pending data */
880                         READ_PORT_ULONG(cmdport->data1);
881                         READ_PORT_ULONG(cmdport->data2);
882                 }
883                 if (IS_CMDE(cmdport)) {
884                         if (flags & PARM)       /* put data */
885                                 WRITE_PORT_ULONG(cmdport->data2, parm);
886                         WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
887                         if ((flags & RESP) && ret) {
888                                 while (!IS_DATF(cmdport) &&
889                                        time < CMDIF_TIMEOUT) {
890                                         udelay(10);
891                                         time++;
892                                 }
893                                 if (time < CMDIF_TIMEOUT) {     /* read response */
894                                         ret->retlongs[0] =
895                                             READ_PORT_ULONG(cmdport->data1);
896                                         ret->retlongs[1] =
897                                             READ_PORT_ULONG(cmdport->data2);
898                                 } else {
899                                         err = -ENOSYS;
900                                         goto errout;
901                                 }
902                         }
903                         break;
904                 }
905                 udelay(20);
906         }
907         if (time == CMDIF_TIMEOUT) {
908                 err = -ENODATA;
909                 goto errout;
910         }
911         spin_unlock_irqrestore(&cif->lock, irqflags);
912 
913         cif->cmdcnt++;          /* update command statistics */
914         cif->cmdtime += time;
915         if (time > cif->cmdtimemax)
916                 cif->cmdtimemax = time;
917         if (time < cif->cmdtimemin)
918                 cif->cmdtimemin = time;
919         if ((cif->cmdcnt) % 1000 == 0)
920                 snd_printdd
921                     ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
922                      cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
923                      cif->cmdtimemax, cif->errcnt);
924         return 0;
925 
926       errout:
927         cif->errcnt++;
928         spin_unlock_irqrestore(&cif->lock, irqflags);
929         snd_printdd
930             ("send cmd %d hw: 0x%x flag: 0x%x cmd: 0x%x parm: 0x%x ret: 0x%x 0x%x CMDE: %d DATF: %d failed %d\n",
931              cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
932              flags, cmd, parm, ret ? ret->retlongs[0] : 0,
933              ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
934              err);
935         return err;
936 }
937 
938 static int
939 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
940 {
941         union cmdret rptr = CMDRET_ZERO;
942         int i = 0;
943 
944         snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
945         do {
946                 SEND_SDGV(cif, num, num, rval, lval);
947                 SEND_RDGV(cif, num, num, &rptr);
948                 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
949                         return 0;
950         } while (i++ < MAX_WRITE_RETRY);
951         snd_printdd("sent mixer failed\n");
952         return -EIO;
953 }
954 
955 static int getpaths(struct cmdif *cif, unsigned char *o)
956 {
957         unsigned char src[E2SINK_MAX];
958         unsigned char sink[E2SINK_MAX];
959         int i, j = 0;
960 
961         for (i = 0; i < E2SINK_MAX; i++) {
962                 getsourcesink(cif, i, i, &src[i], &sink[i]);
963                 if (sink[i] < E2SINK_MAX) {
964                         o[j++] = sink[i];
965                         o[j++] = i;
966                 }
967         }
968         return j;
969 }
970 
971 static int
972 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
973               unsigned char *a, unsigned char *b)
974 {
975         union cmdret rptr = CMDRET_ZERO;
976 
977         if (SEND_RSSV(cif, source, sink, &rptr) &&
978             SEND_RSSV(cif, source, sink, &rptr))
979                 return -EIO;
980         *a = rptr.retbytes[0];
981         *b = rptr.retbytes[1];
982         snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
983         return 0;
984 }
985 
986 static int
987 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
988 {
989         unsigned char *s;
990         unsigned int p[2] = { 0, 0 };
991         int i;
992         union cmdret rptr = CMDRET_ZERO;
993 
994         s = intdec;
995         for (i = 0; i < 2; i++) {
996                 if (*s != 0xff) {
997                         if (SEND_RSRC(cif, *s, &rptr) &&
998                             SEND_RSRC(cif, *s, &rptr))
999                                 return -EIO;
1000                         p[i] += rptr.retwords[1];
1001                         p[i] *= rptr.retwords[2];
1002                         p[i] += rptr.retwords[3];
1003                         p[i] /= 65536;
1004                 }
1005                 s++;
1006         }
1007         if (p[0]) {
1008                 if (p[1] != p[0])
1009                         snd_printdd("rates differ %d %d\n", p[0], p[1]);
1010                 *rate = (unsigned int)p[0];
1011         } else
1012                 *rate = (unsigned int)p[1];
1013         snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1014         return 0;
1015 }
1016 
1017 static int
1018 setsampleformat(struct cmdif *cif,
1019                 unsigned char mixer, unsigned char id,
1020                 unsigned char channels, unsigned char format)
1021 {
1022         unsigned char w, ch, sig, order;
1023 
1024         snd_printdd
1025             ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1026              mixer, id, channels, format);
1027         ch = channels == 1;
1028         w = snd_pcm_format_width(format) == 8;
1029         sig = snd_pcm_format_unsigned(format) != 0;
1030         order = snd_pcm_format_big_endian(format) != 0;
1031 
1032         if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1033             SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1034                 snd_printdd("setsampleformat failed\n");
1035                 return -EIO;
1036         }
1037         return 0;
1038 }
1039 
1040 static int
1041 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1042 {
1043         u32 D, M, N;
1044         union cmdret rptr = CMDRET_ZERO;
1045         int i;
1046 
1047         snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1048                     intdec[1], rate);
1049         D = 48000;
1050         M = ((rate == 48000) ? 47999 : rate) * 65536;
1051         N = M % D;
1052         M /= D;
1053         for (i = 0; i < 2; i++) {
1054                 if (*intdec != 0xff) {
1055                         do {
1056                                 SEND_SSRC(cif, *intdec, D, M, N);
1057                                 SEND_RSRC(cif, *intdec, &rptr);
1058                         } while (rptr.retwords[1] != D &&
1059                                  rptr.retwords[2] != M &&
1060                                  rptr.retwords[3] != N &&
1061                                  i++ < MAX_WRITE_RETRY);
1062                         if (i > MAX_WRITE_RETRY) {
1063                                 snd_printdd("sent samplerate %d: %d failed\n",
1064                                             *intdec, rate);
1065                                 return -EIO;
1066                         }
1067                 }
1068                 intdec++;
1069         }
1070         return 0;
1071 }
1072 
1073 static int
1074 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1075          unsigned short *lval)
1076 {
1077         union cmdret rptr = CMDRET_ZERO;
1078 
1079         if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1080                 return -EIO;
1081         *rval = rptr.retwords[0];
1082         *lval = rptr.retwords[1];
1083         snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
1084         return 0;
1085 }
1086 
1087 static void riptide_handleirq(unsigned long dev_id)
1088 {
1089         struct snd_riptide *chip = (void *)dev_id;
1090         struct cmdif *cif = chip->cif;
1091         struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1092         struct snd_pcm_runtime *runtime;
1093         struct pcmhw *data = NULL;
1094         unsigned int pos, period_bytes;
1095         struct sgd *c;
1096         int i, j;
1097         unsigned int flag;
1098 
1099         if (!cif)
1100                 return;
1101 
1102         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1103                 substream[i] = chip->playback_substream[i];
1104         substream[i] = chip->capture_substream;
1105         for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1106                 if (substream[i] &&
1107                     (runtime = substream[i]->runtime) &&
1108                     (data = runtime->private_data) && data->state != ST_STOP) {
1109                         pos = 0;
1110                         for (j = 0; j < data->pages; j++) {
1111                                 c = &data->sgdbuf[j];
1112                                 flag = le32_to_cpu(c->dwStat_Ctl);
1113                                 if (flag & EOB_STATUS)
1114                                         pos += le32_to_cpu(c->dwSegLen);
1115                                 if (flag & EOC_STATUS)
1116                                         pos += le32_to_cpu(c->dwSegLen);
1117                                 if ((flag & EOS_STATUS)
1118                                     && (data->state == ST_PLAY)) {
1119                                         data->state = ST_STOP;
1120                                         snd_printk(KERN_ERR
1121                                                    "Riptide: DMA stopped unexpectedly\n");
1122                                 }
1123                                 c->dwStat_Ctl =
1124                                     cpu_to_le32(flag &
1125                                                 ~(EOS_STATUS | EOB_STATUS |
1126                                                   EOC_STATUS));
1127                         }
1128                         data->pointer += pos;
1129                         pos += data->oldpos;
1130                         if (data->state != ST_STOP) {
1131                                 period_bytes =
1132                                     frames_to_bytes(runtime,
1133                                                     runtime->period_size);
1134                                 snd_printdd
1135                                     ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1136                                      READ_AUDIO_STATUS(cif->hwport),
1137                                      bytes_to_frames(runtime, pos),
1138                                      runtime->period_size);
1139                                 j = 0;
1140                                 if (pos >= period_bytes) {
1141                                         j++;
1142                                         while (pos >= period_bytes)
1143                                                 pos -= period_bytes;
1144                                 }
1145                                 data->oldpos = pos;
1146                                 if (j > 0)
1147                                         snd_pcm_period_elapsed(substream[i]);
1148                         }
1149                 }
1150         }
1151 }
1152 
1153 #ifdef CONFIG_PM_SLEEP
1154 static int riptide_suspend(struct device *dev)
1155 {
1156         struct pci_dev *pci = to_pci_dev(dev);
1157         struct snd_card *card = dev_get_drvdata(dev);
1158         struct snd_riptide *chip = card->private_data;
1159 
1160         chip->in_suspend = 1;
1161         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1162         snd_pcm_suspend_all(chip->pcm);
1163         snd_ac97_suspend(chip->ac97);
1164         pci_disable_device(pci);
1165         pci_save_state(pci);
1166         pci_set_power_state(pci, PCI_D3hot);
1167         return 0;
1168 }
1169 
1170 static int riptide_resume(struct device *dev)
1171 {
1172         struct pci_dev *pci = to_pci_dev(dev);
1173         struct snd_card *card = dev_get_drvdata(dev);
1174         struct snd_riptide *chip = card->private_data;
1175 
1176         pci_set_power_state(pci, PCI_D0);
1177         pci_restore_state(pci);
1178         if (pci_enable_device(pci) < 0) {
1179                 printk(KERN_ERR "riptide: pci_enable_device failed, "
1180                        "disabling device\n");
1181                 snd_card_disconnect(card);
1182                 return -EIO;
1183         }
1184         pci_set_master(pci);
1185         snd_riptide_initialize(chip);
1186         snd_ac97_resume(chip->ac97);
1187         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1188         chip->in_suspend = 0;
1189         return 0;
1190 }
1191 
1192 static SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume);
1193 #define RIPTIDE_PM_OPS  &riptide_pm
1194 #else
1195 #define RIPTIDE_PM_OPS  NULL
1196 #endif /* CONFIG_PM_SLEEP */
1197 
1198 static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
1199 {
1200         union firmware_version firmware = { .ret = CMDRET_ZERO };
1201         int i, timeout, err;
1202 
1203         for (i = 0; i < 2; i++) {
1204                 WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1205                 WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1206         }
1207         SET_GRESET(cif->hwport);
1208         udelay(100);
1209         UNSET_GRESET(cif->hwport);
1210         udelay(100);
1211 
1212         for (timeout = 100000; --timeout; udelay(10)) {
1213                 if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1214                         break;
1215         }
1216         if (!timeout) {
1217                 snd_printk(KERN_ERR
1218                            "Riptide: device not ready, audio status: 0x%x "
1219                            "ready: %d gerr: %d\n",
1220                            READ_AUDIO_STATUS(cif->hwport),
1221                            IS_READY(cif->hwport), IS_GERR(cif->hwport));
1222                 return -EIO;
1223         } else {
1224                 snd_printdd
1225                         ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1226                          READ_AUDIO_STATUS(cif->hwport),
1227                          IS_READY(cif->hwport), IS_GERR(cif->hwport));
1228         }
1229 
1230         SEND_GETV(cif, &firmware.ret);
1231         snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1232                     firmware.firmware.ASIC, firmware.firmware.CODEC,
1233                     firmware.firmware.AUXDSP, firmware.firmware.PROG);
1234 
1235         if (!chip)
1236                 return 1;
1237 
1238         for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1239                 if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1240                         return 1; /* OK */
1241 
1242         }
1243 
1244         snd_printdd("Writing Firmware\n");
1245         if (!chip->fw_entry) {
1246                 err = request_firmware(&chip->fw_entry, "riptide.hex",
1247                                        &chip->pci->dev);
1248                 if (err) {
1249                         snd_printk(KERN_ERR
1250                                    "Riptide: Firmware not available %d\n", err);
1251                         return -EIO;
1252                 }
1253         }
1254         err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1255         if (err) {
1256                 snd_printk(KERN_ERR
1257                            "Riptide: Could not load firmware %d\n", err);
1258                 return err;
1259         }
1260 
1261         chip->firmware = firmware;
1262 
1263         return 1; /* OK */
1264 }
1265 
1266 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1267 {
1268         union cmdret rptr = CMDRET_ZERO;
1269         int err, tries;
1270 
1271         if (!cif)
1272                 return -EINVAL;
1273 
1274         cif->cmdcnt = 0;
1275         cif->cmdtime = 0;
1276         cif->cmdtimemax = 0;
1277         cif->cmdtimemin = 0xffffffff;
1278         cif->errcnt = 0;
1279         cif->is_reset = 0;
1280 
1281         tries = RESET_TRIES;
1282         do {
1283                 err = try_to_load_firmware(cif, chip);
1284                 if (err < 0)
1285                         return err;
1286         } while (!err && --tries);
1287 
1288         SEND_SACR(cif, 0, AC97_RESET);
1289         SEND_RACR(cif, AC97_RESET, &rptr);
1290         snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1291 
1292         SEND_PLST(cif, 0);
1293         SEND_SLST(cif, 0);
1294         SEND_DLST(cif, 0);
1295         SEND_ALST(cif, 0);
1296         SEND_KDMA(cif);
1297 
1298         writearm(cif, 0x301F8, 1, 1);
1299         writearm(cif, 0x301F4, 1, 1);
1300 
1301         SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1302                   MODEM_SPLITTER, MODEM_MIXER);
1303         setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1304         alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1305 
1306         SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1307                   FM_MIXER);
1308         setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1309         writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1310         writearm(cif, 0x301A8, 0x02, 0x00000002);
1311         writearm(cif, 0x30264, 0x08, 0xffffffff);
1312         alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1313 
1314         SEND_SSRC(cif, I2S_INTDEC, 48000,
1315                   ((u32) I2S_RATE * 65536) / 48000,
1316                   ((u32) I2S_RATE * 65536) % 48000);
1317         SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1318                   I2S_MIXER);
1319         SEND_SI2S(cif, 1);
1320         alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1321         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1322         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1323 
1324         SET_AIACK(cif->hwport);
1325         SET_AIE(cif->hwport);
1326         SET_AIACK(cif->hwport);
1327         cif->is_reset = 1;
1328 
1329         return 0;
1330 }
1331 
1332 static struct snd_pcm_hardware snd_riptide_playback = {
1333         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1334                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1335                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1336         .formats =
1337             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1338             | SNDRV_PCM_FMTBIT_U16_LE,
1339         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1340         .rate_min = 5500,
1341         .rate_max = 48000,
1342         .channels_min = 1,
1343         .channels_max = 2,
1344         .buffer_bytes_max = (64 * 1024),
1345         .period_bytes_min = PAGE_SIZE >> 1,
1346         .period_bytes_max = PAGE_SIZE << 8,
1347         .periods_min = 2,
1348         .periods_max = 64,
1349         .fifo_size = 0,
1350 };
1351 static struct snd_pcm_hardware snd_riptide_capture = {
1352         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1353                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1354                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1355         .formats =
1356             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1357             | SNDRV_PCM_FMTBIT_U16_LE,
1358         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1359         .rate_min = 5500,
1360         .rate_max = 48000,
1361         .channels_min = 1,
1362         .channels_max = 2,
1363         .buffer_bytes_max = (64 * 1024),
1364         .period_bytes_min = PAGE_SIZE >> 1,
1365         .period_bytes_max = PAGE_SIZE << 3,
1366         .periods_min = 2,
1367         .periods_max = 64,
1368         .fifo_size = 0,
1369 };
1370 
1371 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1372                                              *substream)
1373 {
1374         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1375         struct snd_pcm_runtime *runtime = substream->runtime;
1376         struct pcmhw *data = get_pcmhwdev(substream);
1377         struct cmdif *cif = chip->cif;
1378         union cmdret rptr = CMDRET_ZERO;
1379         snd_pcm_uframes_t ret;
1380 
1381         SEND_GPOS(cif, 0, data->id, &rptr);
1382         if (data->size && runtime->period_size) {
1383                 snd_printdd
1384                     ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1385                      data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1386                      bytes_to_frames(runtime, rptr.retlongs[1]),
1387                      bytes_to_frames(runtime,
1388                                      rptr.retlongs[1]) % runtime->period_size);
1389                 if (rptr.retlongs[1] > data->pointer)
1390                         ret =
1391                             bytes_to_frames(runtime,
1392                                             rptr.retlongs[1] % data->size);
1393                 else
1394                         ret =
1395                             bytes_to_frames(runtime,
1396                                             data->pointer % data->size);
1397         } else {
1398                 snd_printdd("stream not started or strange parms (%d %ld)\n",
1399                             data->size, runtime->period_size);
1400                 ret = bytes_to_frames(runtime, 0);
1401         }
1402         return ret;
1403 }
1404 
1405 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1406 {
1407         int i, j;
1408         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1409         struct pcmhw *data = get_pcmhwdev(substream);
1410         struct cmdif *cif = chip->cif;
1411         union cmdret rptr = CMDRET_ZERO;
1412 
1413         spin_lock(&chip->lock);
1414         switch (cmd) {
1415         case SNDRV_PCM_TRIGGER_START:
1416         case SNDRV_PCM_TRIGGER_RESUME:
1417                 if (!(data->state & ST_PLAY)) {
1418                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1419                         SET_AIE(cif->hwport);
1420                         data->state = ST_PLAY;
1421                         if (data->mixer != 0xff)
1422                                 setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1423                         chip->openstreams++;
1424                         data->oldpos = 0;
1425                         data->pointer = 0;
1426                 }
1427                 break;
1428         case SNDRV_PCM_TRIGGER_STOP:
1429         case SNDRV_PCM_TRIGGER_SUSPEND:
1430                 if (data->mixer != 0xff)
1431                         setmixer(cif, data->mixer, 0, 0);
1432                 setmixer(cif, data->mixer, 0, 0);
1433                 SEND_KSTR(cif, data->id);
1434                 data->state = ST_STOP;
1435                 chip->openstreams--;
1436                 j = 0;
1437                 do {
1438                         i = rptr.retlongs[1];
1439                         SEND_GPOS(cif, 0, data->id, &rptr);
1440                         udelay(1);
1441                 } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1442                 if (j > MAX_WRITE_RETRY)
1443                         snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1444                 break;
1445         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1446                 if (!(data->state & ST_PAUSE)) {
1447                         SEND_PSTR(cif, data->id);
1448                         data->state |= ST_PAUSE;
1449                         chip->openstreams--;
1450                 }
1451                 break;
1452         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1453                 if (data->state & ST_PAUSE) {
1454                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1455                         data->state &= ~ST_PAUSE;
1456                         chip->openstreams++;
1457                 }
1458                 break;
1459         default:
1460                 spin_unlock(&chip->lock);
1461                 return -EINVAL;
1462         }
1463         spin_unlock(&chip->lock);
1464         return 0;
1465 }
1466 
1467 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1468 {
1469         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1470         struct snd_pcm_runtime *runtime = substream->runtime;
1471         struct pcmhw *data = get_pcmhwdev(substream);
1472         struct cmdif *cif = chip->cif;
1473         unsigned char *lbuspath = NULL;
1474         unsigned int rate, channels;
1475         int err = 0;
1476         snd_pcm_format_t format;
1477 
1478         if (snd_BUG_ON(!cif || !data))
1479                 return -EINVAL;
1480 
1481         snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1482                     runtime->channels, runtime->format, runtime->rate);
1483 
1484         spin_lock_irq(&chip->lock);
1485         channels = runtime->channels;
1486         format = runtime->format;
1487         rate = runtime->rate;
1488         switch (channels) {
1489         case 1:
1490                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1491                         lbuspath = data->paths.noconv;
1492                 else
1493                         lbuspath = data->paths.mono;
1494                 break;
1495         case 2:
1496                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1497                         lbuspath = data->paths.noconv;
1498                 else
1499                         lbuspath = data->paths.stereo;
1500                 break;
1501         }
1502         snd_printdd("use sgdlist at 0x%p\n",
1503                     data->sgdlist.area);
1504         if (data->sgdlist.area) {
1505                 unsigned int i, j, size, pages, f, pt, period;
1506                 struct sgd *c, *p = NULL;
1507 
1508                 size = frames_to_bytes(runtime, runtime->buffer_size);
1509                 period = frames_to_bytes(runtime, runtime->period_size);
1510                 f = PAGE_SIZE;
1511                 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1512                         f = f >> 1;
1513                 pages = (size + f - 1) / f;
1514                 data->size = size;
1515                 data->pages = pages;
1516                 snd_printdd
1517                     ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1518                      size, pages, f, period);
1519                 pt = 0;
1520                 j = 0;
1521                 for (i = 0; i < pages; i++) {
1522                         unsigned int ofs, addr;
1523                         c = &data->sgdbuf[i];
1524                         if (p)
1525                                 p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1526                                                             (i *
1527                                                              sizeof(struct
1528                                                                     sgd)));
1529                         c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1530                         ofs = j << PAGE_SHIFT;
1531                         addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1532                         c->dwSegPtrPhys = cpu_to_le32(addr);
1533                         pt = (pt + f) % PAGE_SIZE;
1534                         if (pt == 0)
1535                                 j++;
1536                         c->dwSegLen = cpu_to_le32(f);
1537                         c->dwStat_Ctl =
1538                             cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1539                                         IEOC_ENABLE);
1540                         p = c;
1541                         size -= f;
1542                 }
1543                 data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1544         }
1545         if (lbuspath && lbuspath != data->lbuspath) {
1546                 if (data->lbuspath)
1547                         freelbuspath(cif, data->source, data->lbuspath);
1548                 alloclbuspath(cif, data->source, lbuspath,
1549                               &data->mixer, data->intdec);
1550                 data->lbuspath = lbuspath;
1551                 data->rate = 0;
1552         }
1553         if (data->rate != rate || data->format != format ||
1554             data->channels != channels) {
1555                 data->rate = rate;
1556                 data->format = format;
1557                 data->channels = channels;
1558                 if (setsampleformat
1559                     (cif, data->mixer, data->id, channels, format)
1560                     || setsamplerate(cif, data->intdec, rate))
1561                         err = -EIO;
1562         }
1563         spin_unlock_irq(&chip->lock);
1564         return err;
1565 }
1566 
1567 static int
1568 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1569                       struct snd_pcm_hw_params *hw_params)
1570 {
1571         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1572         struct pcmhw *data = get_pcmhwdev(substream);
1573         struct snd_dma_buffer *sgdlist = &data->sgdlist;
1574         int err;
1575 
1576         snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1577                     sgdlist->area, (unsigned long)sgdlist->addr,
1578                     (int)sgdlist->bytes);
1579         if (sgdlist->area)
1580                 snd_dma_free_pages(sgdlist);
1581         if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1582                                        snd_dma_pci_data(chip->pci),
1583                                        sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1584                                        sgdlist)) < 0) {
1585                 snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1586                            (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1587                 return err;
1588         }
1589         data->sgdbuf = (struct sgd *)sgdlist->area;
1590         return snd_pcm_lib_malloc_pages(substream,
1591                                         params_buffer_bytes(hw_params));
1592 }
1593 
1594 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1595 {
1596         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1597         struct pcmhw *data = get_pcmhwdev(substream);
1598         struct cmdif *cif = chip->cif;
1599 
1600         if (cif && data) {
1601                 if (data->lbuspath)
1602                         freelbuspath(cif, data->source, data->lbuspath);
1603                 data->lbuspath = NULL;
1604                 data->source = 0xff;
1605                 data->intdec[0] = 0xff;
1606                 data->intdec[1] = 0xff;
1607 
1608                 if (data->sgdlist.area) {
1609                         snd_dma_free_pages(&data->sgdlist);
1610                         data->sgdlist.area = NULL;
1611                 }
1612         }
1613         return snd_pcm_lib_free_pages(substream);
1614 }
1615 
1616 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1617 {
1618         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1619         struct snd_pcm_runtime *runtime = substream->runtime;
1620         struct pcmhw *data;
1621         int sub_num = substream->number;
1622 
1623         chip->playback_substream[sub_num] = substream;
1624         runtime->hw = snd_riptide_playback;
1625 
1626         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1627         if (data == NULL)
1628                 return -ENOMEM;
1629         data->paths = lbus_play_paths[sub_num];
1630         data->id = play_ids[sub_num];
1631         data->source = play_sources[sub_num];
1632         data->intdec[0] = 0xff;
1633         data->intdec[1] = 0xff;
1634         data->state = ST_STOP;
1635         runtime->private_data = data;
1636         return snd_pcm_hw_constraint_integer(runtime,
1637                                              SNDRV_PCM_HW_PARAM_PERIODS);
1638 }
1639 
1640 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1641 {
1642         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1643         struct snd_pcm_runtime *runtime = substream->runtime;
1644         struct pcmhw *data;
1645 
1646         chip->capture_substream = substream;
1647         runtime->hw = snd_riptide_capture;
1648 
1649         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1650         if (data == NULL)
1651                 return -ENOMEM;
1652         data->paths = lbus_rec_path;
1653         data->id = PADC;
1654         data->source = ACLNK2PADC;
1655         data->intdec[0] = 0xff;
1656         data->intdec[1] = 0xff;
1657         data->state = ST_STOP;
1658         runtime->private_data = data;
1659         return snd_pcm_hw_constraint_integer(runtime,
1660                                              SNDRV_PCM_HW_PARAM_PERIODS);
1661 }
1662 
1663 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1664 {
1665         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1666         struct pcmhw *data = get_pcmhwdev(substream);
1667         int sub_num = substream->number;
1668 
1669         substream->runtime->private_data = NULL;
1670         chip->playback_substream[sub_num] = NULL;
1671         kfree(data);
1672         return 0;
1673 }
1674 
1675 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1676 {
1677         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1678         struct pcmhw *data = get_pcmhwdev(substream);
1679 
1680         substream->runtime->private_data = NULL;
1681         chip->capture_substream = NULL;
1682         kfree(data);
1683         return 0;
1684 }
1685 
1686 static struct snd_pcm_ops snd_riptide_playback_ops = {
1687         .open = snd_riptide_playback_open,
1688         .close = snd_riptide_playback_close,
1689         .ioctl = snd_pcm_lib_ioctl,
1690         .hw_params = snd_riptide_hw_params,
1691         .hw_free = snd_riptide_hw_free,
1692         .prepare = snd_riptide_prepare,
1693         .page = snd_pcm_sgbuf_ops_page,
1694         .trigger = snd_riptide_trigger,
1695         .pointer = snd_riptide_pointer,
1696 };
1697 static struct snd_pcm_ops snd_riptide_capture_ops = {
1698         .open = snd_riptide_capture_open,
1699         .close = snd_riptide_capture_close,
1700         .ioctl = snd_pcm_lib_ioctl,
1701         .hw_params = snd_riptide_hw_params,
1702         .hw_free = snd_riptide_hw_free,
1703         .prepare = snd_riptide_prepare,
1704         .page = snd_pcm_sgbuf_ops_page,
1705         .trigger = snd_riptide_trigger,
1706         .pointer = snd_riptide_pointer,
1707 };
1708 
1709 static int
1710 snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1711 {
1712         struct snd_pcm *pcm;
1713         int err;
1714 
1715         if (rpcm)
1716                 *rpcm = NULL;
1717         if ((err =
1718              snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1719                          &pcm)) < 0)
1720                 return err;
1721         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1722                         &snd_riptide_playback_ops);
1723         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1724                         &snd_riptide_capture_ops);
1725         pcm->private_data = chip;
1726         pcm->info_flags = 0;
1727         strcpy(pcm->name, "RIPTIDE");
1728         chip->pcm = pcm;
1729         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1730                                               snd_dma_pci_data(chip->pci),
1731                                               64 * 1024, 128 * 1024);
1732         if (rpcm)
1733                 *rpcm = pcm;
1734         return 0;
1735 }
1736 
1737 static irqreturn_t
1738 snd_riptide_interrupt(int irq, void *dev_id)
1739 {
1740         struct snd_riptide *chip = dev_id;
1741         struct cmdif *cif = chip->cif;
1742 
1743         if (cif) {
1744                 chip->received_irqs++;
1745                 if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1746                     IS_EOCIRQ(cif->hwport)) {
1747                         chip->handled_irqs++;
1748                         tasklet_schedule(&chip->riptide_tq);
1749                 }
1750                 if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1751                         chip->handled_irqs++;
1752                         snd_mpu401_uart_interrupt(irq,
1753                                                   chip->rmidi->private_data);
1754                 }
1755                 SET_AIACK(cif->hwport);
1756         }
1757         return IRQ_HANDLED;
1758 }
1759 
1760 static void
1761 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1762                         unsigned short val)
1763 {
1764         struct snd_riptide *chip = ac97->private_data;
1765         struct cmdif *cif = chip->cif;
1766         union cmdret rptr = CMDRET_ZERO;
1767         int i = 0;
1768 
1769         if (snd_BUG_ON(!cif))
1770                 return;
1771 
1772         snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1773         do {
1774                 SEND_SACR(cif, val, reg);
1775                 SEND_RACR(cif, reg, &rptr);
1776         } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1777         if (i > MAX_WRITE_RETRY)
1778                 snd_printdd("Write AC97 reg failed\n");
1779 }
1780 
1781 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1782                                              unsigned short reg)
1783 {
1784         struct snd_riptide *chip = ac97->private_data;
1785         struct cmdif *cif = chip->cif;
1786         union cmdret rptr = CMDRET_ZERO;
1787 
1788         if (snd_BUG_ON(!cif))
1789                 return 0;
1790 
1791         if (SEND_RACR(cif, reg, &rptr) != 0)
1792                 SEND_RACR(cif, reg, &rptr);
1793         snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1794         return rptr.retwords[1];
1795 }
1796 
1797 static int snd_riptide_initialize(struct snd_riptide *chip)
1798 {
1799         struct cmdif *cif;
1800         unsigned int device_id;
1801         int err;
1802 
1803         if (snd_BUG_ON(!chip))
1804                 return -EINVAL;
1805 
1806         cif = chip->cif;
1807         if (!cif) {
1808                 if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1809                         return -ENOMEM;
1810                 cif->hwport = (struct riptideport *)chip->port;
1811                 spin_lock_init(&cif->lock);
1812                 chip->cif = cif;
1813         }
1814         cif->is_reset = 0;
1815         if ((err = riptide_reset(cif, chip)) != 0)
1816                 return err;
1817         device_id = chip->device_id;
1818         switch (device_id) {
1819         case 0x4310:
1820         case 0x4320:
1821         case 0x4330:
1822                 snd_printdd("Modem enable?\n");
1823                 SEND_SETDPLL(cif);
1824                 break;
1825         }
1826         snd_printdd("Enabling MPU IRQs\n");
1827         if (chip->rmidi)
1828                 SET_EMPUIRQ(cif->hwport);
1829         return err;
1830 }
1831 
1832 static int snd_riptide_free(struct snd_riptide *chip)
1833 {
1834         struct cmdif *cif;
1835 
1836         if (!chip)
1837                 return 0;
1838 
1839         if ((cif = chip->cif)) {
1840                 SET_GRESET(cif->hwport);
1841                 udelay(100);
1842                 UNSET_GRESET(cif->hwport);
1843                 kfree(chip->cif);
1844         }
1845         if (chip->irq >= 0)
1846                 free_irq(chip->irq, chip);
1847         release_firmware(chip->fw_entry);
1848         release_and_free_resource(chip->res_port);
1849         kfree(chip);
1850         return 0;
1851 }
1852 
1853 static int snd_riptide_dev_free(struct snd_device *device)
1854 {
1855         struct snd_riptide *chip = device->device_data;
1856 
1857         return snd_riptide_free(chip);
1858 }
1859 
1860 static int
1861 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1862                    struct snd_riptide **rchip)
1863 {
1864         struct snd_riptide *chip;
1865         struct riptideport *hwport;
1866         int err;
1867         static struct snd_device_ops ops = {
1868                 .dev_free = snd_riptide_dev_free,
1869         };
1870 
1871         *rchip = NULL;
1872         if ((err = pci_enable_device(pci)) < 0)
1873                 return err;
1874         if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1875                 return -ENOMEM;
1876 
1877         spin_lock_init(&chip->lock);
1878         chip->card = card;
1879         chip->pci = pci;
1880         chip->irq = -1;
1881         chip->openstreams = 0;
1882         chip->port = pci_resource_start(pci, 0);
1883         chip->received_irqs = 0;
1884         chip->handled_irqs = 0;
1885         chip->cif = NULL;
1886         tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1887 
1888         if ((chip->res_port =
1889              request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1890                 snd_printk(KERN_ERR
1891                            "Riptide: unable to grab region 0x%lx-0x%lx\n",
1892                            chip->port, chip->port + 64 - 1);
1893                 snd_riptide_free(chip);
1894                 return -EBUSY;
1895         }
1896         hwport = (struct riptideport *)chip->port;
1897         UNSET_AIE(hwport);
1898 
1899         if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1900                         KBUILD_MODNAME, chip)) {
1901                 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1902                            pci->irq);
1903                 snd_riptide_free(chip);
1904                 return -EBUSY;
1905         }
1906         chip->irq = pci->irq;
1907         chip->device_id = pci->device;
1908         pci_set_master(pci);
1909         if ((err = snd_riptide_initialize(chip)) < 0) {
1910                 snd_riptide_free(chip);
1911                 return err;
1912         }
1913 
1914         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1915                 snd_riptide_free(chip);
1916                 return err;
1917         }
1918 
1919         *rchip = chip;
1920         return 0;
1921 }
1922 
1923 static void
1924 snd_riptide_proc_read(struct snd_info_entry *entry,
1925                       struct snd_info_buffer *buffer)
1926 {
1927         struct snd_riptide *chip = entry->private_data;
1928         struct pcmhw *data;
1929         int i;
1930         struct cmdif *cif = NULL;
1931         unsigned char p[256];
1932         unsigned short rval = 0, lval = 0;
1933         unsigned int rate;
1934 
1935         if (!chip)
1936                 return;
1937 
1938         snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1939         snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1940                     chip->device_id, chip->handled_irqs, chip->received_irqs);
1941         for (i = 0; i < 64; i += 4)
1942                 snd_iprintf(buffer, "%c%02x: %08x",
1943                             (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1944         if ((cif = chip->cif)) {
1945                 snd_iprintf(buffer,
1946                             "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1947                             chip->firmware.firmware.ASIC,
1948                             chip->firmware.firmware.CODEC,
1949                             chip->firmware.firmware.AUXDSP,
1950                             chip->firmware.firmware.PROG);
1951                 snd_iprintf(buffer, "\nDigital mixer:");
1952                 for (i = 0; i < 12; i++) {
1953                         getmixer(cif, i, &rval, &lval);
1954                         snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1955                 }
1956                 snd_iprintf(buffer,
1957                             "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1958                             cif->cmdcnt, cif->errcnt,
1959                             cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1960         }
1961         snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1962         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1963                 if (chip->playback_substream[i]
1964                     && chip->playback_substream[i]->runtime
1965                     && (data =
1966                         chip->playback_substream[i]->runtime->private_data)) {
1967                         snd_iprintf(buffer,
1968                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1969                                     data->id, data->mixer, data->source,
1970                                     data->intdec[0], data->intdec[1]);
1971                         if (!(getsamplerate(cif, data->intdec, &rate)))
1972                                 snd_iprintf(buffer, "rate: %d\n", rate);
1973                 }
1974         }
1975         if (chip->capture_substream
1976             && chip->capture_substream->runtime
1977             && (data = chip->capture_substream->runtime->private_data)) {
1978                 snd_iprintf(buffer,
1979                             "stream: %d mixer: %d source: %d (%d,%d)\n",
1980                             data->id, data->mixer,
1981                             data->source, data->intdec[0], data->intdec[1]);
1982                 if (!(getsamplerate(cif, data->intdec, &rate)))
1983                         snd_iprintf(buffer, "rate: %d\n", rate);
1984         }
1985         snd_iprintf(buffer, "Paths:\n");
1986         i = getpaths(cif, p);
1987         while (i >= 2) {
1988                 i -= 2;
1989                 snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
1990         }
1991         snd_iprintf(buffer, "\n");
1992 }
1993 
1994 static void snd_riptide_proc_init(struct snd_riptide *chip)
1995 {
1996         struct snd_info_entry *entry;
1997 
1998         if (!snd_card_proc_new(chip->card, "riptide", &entry))
1999                 snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
2000 }
2001 
2002 static int snd_riptide_mixer(struct snd_riptide *chip)
2003 {
2004         struct snd_ac97_bus *pbus;
2005         struct snd_ac97_template ac97;
2006         int err = 0;
2007         static struct snd_ac97_bus_ops ops = {
2008                 .write = snd_riptide_codec_write,
2009                 .read = snd_riptide_codec_read,
2010         };
2011 
2012         memset(&ac97, 0, sizeof(ac97));
2013         ac97.private_data = chip;
2014         ac97.scaps = AC97_SCAP_SKIP_MODEM;
2015 
2016         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2017                 return err;
2018 
2019         chip->ac97_bus = pbus;
2020         ac97.pci = chip->pci;
2021         if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2022                 return err;
2023         return err;
2024 }
2025 
2026 #ifdef SUPPORT_JOYSTICK
2027 
2028 static int
2029 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2030 {
2031         static int dev;
2032         struct gameport *gameport;
2033 
2034         if (dev >= SNDRV_CARDS)
2035                 return -ENODEV;
2036         if (!enable[dev]) {
2037                 dev++;
2038                 return -ENOENT;
2039         }
2040 
2041         if (!joystick_port[dev++])
2042                 return 0;
2043 
2044         gameport = gameport_allocate_port();
2045         if (!gameport)
2046                 return -ENOMEM;
2047         if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
2048                 snd_printk(KERN_WARNING
2049                            "Riptide: cannot grab gameport 0x%x\n",
2050                            joystick_port[dev]);
2051                 gameport_free_port(gameport);
2052                 return -EBUSY;
2053         }
2054 
2055         gameport->io = joystick_port[dev];
2056         gameport_register_port(gameport);
2057         pci_set_drvdata(pci, gameport);
2058         return 0;
2059 }
2060 
2061 static void snd_riptide_joystick_remove(struct pci_dev *pci)
2062 {
2063         struct gameport *gameport = pci_get_drvdata(pci);
2064         if (gameport) {
2065                 release_region(gameport->io, 8);
2066                 gameport_unregister_port(gameport);
2067         }
2068 }
2069 #endif
2070 
2071 static int
2072 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2073 {
2074         static int dev;
2075         struct snd_card *card;
2076         struct snd_riptide *chip;
2077         unsigned short val;
2078         int err;
2079 
2080         if (dev >= SNDRV_CARDS)
2081                 return -ENODEV;
2082         if (!enable[dev]) {
2083                 dev++;
2084                 return -ENOENT;
2085         }
2086 
2087         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2088                            0, &card);
2089         if (err < 0)
2090                 return err;
2091         err = snd_riptide_create(card, pci, &chip);
2092         if (err < 0)
2093                 goto error;
2094         card->private_data = chip;
2095         err = snd_riptide_pcm(chip, 0, NULL);
2096         if (err < 0)
2097                 goto error;
2098         err = snd_riptide_mixer(chip);
2099         if (err < 0)
2100                 goto error;
2101 
2102         val = LEGACY_ENABLE_ALL;
2103         if (opl3_port[dev])
2104                 val |= LEGACY_ENABLE_FM;
2105 #ifdef SUPPORT_JOYSTICK
2106         if (joystick_port[dev])
2107                 val |= LEGACY_ENABLE_GAMEPORT;
2108 #endif
2109         if (mpu_port[dev])
2110                 val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2111         val |= (chip->irq << 4) & 0xf0;
2112         pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2113         if (mpu_port[dev]) {
2114                 val = mpu_port[dev];
2115                 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2116                 err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2117                                           val, MPU401_INFO_IRQ_HOOK, -1,
2118                                           &chip->rmidi);
2119                 if (err < 0)
2120                         snd_printk(KERN_WARNING
2121                                    "Riptide: Can't Allocate MPU at 0x%x\n",
2122                                    val);
2123                 else
2124                         chip->mpuaddr = val;
2125         }
2126         if (opl3_port[dev]) {
2127                 val = opl3_port[dev];
2128                 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2129                 err = snd_opl3_create(card, val, val + 2,
2130                                       OPL3_HW_RIPTIDE, 0, &chip->opl3);
2131                 if (err < 0)
2132                         snd_printk(KERN_WARNING
2133                                    "Riptide: Can't Allocate OPL3 at 0x%x\n",
2134                                    val);
2135                 else {
2136                         chip->opladdr = val;
2137                         err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2138                         if (err < 0)
2139                                 snd_printk(KERN_WARNING
2140                                            "Riptide: Can't Allocate OPL3-HWDEP\n");
2141                 }
2142         }
2143 #ifdef SUPPORT_JOYSTICK
2144         if (joystick_port[dev]) {
2145                 val = joystick_port[dev];
2146                 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2147                 chip->gameaddr = val;
2148         }
2149 #endif
2150 
2151         strcpy(card->driver, "RIPTIDE");
2152         strcpy(card->shortname, "Riptide");
2153 #ifdef SUPPORT_JOYSTICK
2154         snprintf(card->longname, sizeof(card->longname),
2155                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2156                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2157                  chip->opladdr, chip->gameaddr);
2158 #else
2159         snprintf(card->longname, sizeof(card->longname),
2160                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2161                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2162                  chip->opladdr);
2163 #endif
2164         snd_riptide_proc_init(chip);
2165         err = snd_card_register(card);
2166         if (err < 0)
2167                 goto error;
2168         pci_set_drvdata(pci, card);
2169         dev++;
2170         return 0;
2171 
2172  error:
2173         snd_card_free(card);
2174         return err;
2175 }
2176 
2177 static void snd_card_riptide_remove(struct pci_dev *pci)
2178 {
2179         snd_card_free(pci_get_drvdata(pci));
2180 }
2181 
2182 static struct pci_driver driver = {
2183         .name = KBUILD_MODNAME,
2184         .id_table = snd_riptide_ids,
2185         .probe = snd_card_riptide_probe,
2186         .remove = snd_card_riptide_remove,
2187         .driver = {
2188                 .pm = RIPTIDE_PM_OPS,
2189         },
2190 };
2191 
2192 #ifdef SUPPORT_JOYSTICK
2193 static struct pci_driver joystick_driver = {
2194         .name = KBUILD_MODNAME "-joystick",
2195         .id_table = snd_riptide_joystick_ids,
2196         .probe = snd_riptide_joystick_probe,
2197         .remove = snd_riptide_joystick_remove,
2198 };
2199 #endif
2200 
2201 static int __init alsa_card_riptide_init(void)
2202 {
2203         int err;
2204         err = pci_register_driver(&driver);
2205         if (err < 0)
2206                 return err;
2207 #if defined(SUPPORT_JOYSTICK)
2208         err = pci_register_driver(&joystick_driver);
2209         /* On failure unregister formerly registered audio driver */
2210         if (err < 0)
2211                 pci_unregister_driver(&driver);
2212 #endif
2213         return err;
2214 }
2215 
2216 static void __exit alsa_card_riptide_exit(void)
2217 {
2218         pci_unregister_driver(&driver);
2219 #if defined(SUPPORT_JOYSTICK)
2220         pci_unregister_driver(&joystick_driver);
2221 #endif
2222 }
2223 
2224 module_init(alsa_card_riptide_init);
2225 module_exit(alsa_card_riptide_exit);
2226 

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